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10 - 16
Explanatory notes
TX LINE
L9
LA-481
L10
LA-480
C33
18p
C35
39p
C32 120p
C104 120p
C34 120p
C36 100p
C7 300p
C8 300p
C69 300p
C68 300p
C67 300p
C66 300p
C14 300p
C15 390p
C10
300p
C12
100p
L3
LR-149
L4
LR-138
L1
LR-294
L2
LR-295
C2
150p
C5
120p
C3
330p
C98 620p
C97 620p
C75 620p
C74 620p
C73 620p
C72 220p
C100 620p
C43
0.0047
C51
0.0047
C45
0.0047
RL2
TB1-160
RL4
TB1-160
RL10
TB1-160
GND
L8S
L7S
L3S
L6S
L5S
L1S
L2S
L4S
GND
+
-
SP1
MAIN
DIAL
J101
J120
J1
RIT
BOARD
J201
J1
MODE
BOARD
J221
J1
TEN-KEY
BOARD
J2
J241
MIC BOARD
J2
J322
J321
KEY
BOARD
J1
J921
J2
J1
PHONE
BOARD
J2
J941
J452
J451
J601
J1
PBT
BOARD
J5
J8
J1
TUNER-A
BOARD
J11
J10
J7
J3
J4
J3
J4
J13
CTRL-A
UNIT
J741
J641
J811
J841
J861
J352
J771
MAIN-A
UNIT
2
1
J2
CTIN
FILTER-A UNIT
14V
14V
14V
GND
T8V
GND
5V
5V
GND
-8V
GND
FORV
REFV
ANTS
DRES
GNDL
ISTA
IKEY
GNDL
FSTB
CMDT
CMCK
14V
14V
AGC
8V
ALC
T8V
NC
NC
R8V
–5V
NC
5V
TRVI
RANS
SATV
BLBV
BLAY
SCPL
GND
MDAT
MCK
BSTB
GND
GND
NC
14V
14V
UNLC
PSEL
CON2
CON1
CON0
DRES
PSTB
5V
5V
NC
8V
NC
NC
SQSS
NC
MICE
MSND
8V
MICI
GND
GND
GND
GND
PWRK
TMD
SPE
AFO
SPE
NC
NC
NC
NC
14V
PAT8
PWRS
ICL
ICH
H5V
8V
8V
14VA
14VA
14V
14V
14V
14V
14V
14V
14V
5V
5V
HV
GND
NC
GND
GND
GND
GND
GND
GND
GND
GND
GND
MDN
RUP
5VF
RDN
F5K
F4K
F3K
F2K
F1K
SPEK
EXTK
FILK
AMK
CWK
SSBK
KI2
KI1
5VF
MICI
M8V
MUD
SQLS
MSND
GND
MMICE
AFO
14V
NC
NC
NC
NC
PHE
AFO
PHE
TMD
PWRK
GND
GND
GND
GND
MICI
8V
MSND
MICE
NC
SQSS
NC
NC
DASH
DOT
PHE
PHO
PHE
PHNI
SSP
SSPE
5VF
NOTL
PITL
PB1A
PB1B
5VF
NOTL
PITL
PB1A
PB1B
RUP
5VF
RDN
F5K
F4K
F3K
F2K
F1K
SPEK
EXTK
FILK
AMK
CWK
SSBK
KI2
KI1
5VF
MICI
M8V
MUD
SQLS
MSND
GND
MMICE
AFO
PLL
UNIT
J1
8V
NC
5V
5V
PSTB
DRES
CON0
CON1
CON2
14V
14V
NC
GND
GND
J451
J201
RF-B
UNIT
BSTB
MCK
MDAT
GND
SCPL
BLAV
BLBV
SATV
NC
TRVI
5V
NC
–5V
R8V
NC
NC
T8V
ALC
8V
AGC
14V
14V
14V
14V
14V
NC
T8V
NC
5V
5V
NC
–8V
NC
FORV
REFV
ANTS
DRES
GND
ISTA
IKEY
GND
FSTB
CMDT
CMCK
GND
3.5M
5M
7M
10M
14M
18M
24M
VHF
GND
GND
14V
14V
CO3
CO2
CO1
NVHF
CI3
CI2
CI1
GND
GND
GND
3.5M
5M
7M
10M
14M
18M
24M
VHF
GND
GND
14V
14V
CO3
CO2
CO1
NVHF
CI3
CI2
CI1
GND
GND
CHASSIS W12
FRONT W4
FRONT W6
FRONT W1
FRONT W5
FRONT W7
FRONT W3
PHE
AFO
PHE
PHNI
DASH
DOT
FRONT W8
FRONT W2
CHASSIS W11
CHASSIS W7
CHASSIS W13
DISPLAY
BOARD
NC
NC
NC
NC
GND
GND
GND
GND
GND
PBTD
NOTD
RXD
TXD
LOCD
LDV
KI3
5VF
KI4
NOTK
PBTK
LOCK
XFCK
TSK
MCLK
MWK
MDNK
MUPK
GND
GND
GND
PBTD
NOTD
RXD
TXD
LOCD
LDV
KI3
5VF
KI4
NOTK
PBTK
LOCK
XFCK
TSK
MCLK
MWK
MDNK
MUPK
GND
GND
MPRK
MPWK
FINK
GENK
50K
28K
24K
21K
18K
14K
10K
7K
3K
1K
SPLK
MPRK
MPWK
FINK
GENK
50K
28K
24K
21K
18K
14K
10K
7K
3K
1K
SPLK
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
NC
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
CHASSIS
FRONT
GND
PB2A
PB2B
GND
GND
GND
PB2A
PB2B
GND
GND
GND
(CTRL) P1
P352
SPE
NC
NC
SSP
SSP
SPE
MF1
(TUNER)
MF2
(TUNER)
P2
P1
TUIN
TUOT
TUIN
TUOT
P3
P4
J2
RFRX
ANT1
W1
CHASSIS J5
W2
CHASSIS J6
ANT2
(RF) P1851
(PLL) P701
T/R2IF
3LO
J211
J101
CHASSIS W9
CHASSIS W8
CHASSIS
W9
CHASSIS W8
3LO
J701
(PLL)P351
1LOA
J1301
J1651
J351
1LOA
1LOB
J651
J1101
1LOB
(PLL)P651
(PLL)P81
2LO
J1801
J81
2LO
J851
J951
MKR
(PLL)P851
MKR
S3LO
(PLL)P801
S3LO
J2001
J801
(PA)P1
PAI
J101
RX
(CTRL)P2
J1851
2IF
CTIN
5VF
MUP
GND
5VF
MUP
MDN
SSP
SSPE
P1
AZ
T14V
AW
AX
AY
PZ
T14V
PW
PX
PY
PZ
T14V
PW
PX
PY
AZ
T14V
AW
AX
AY
ETKY
ETE
ET14
ETST
ETKY
ETE
ET14
ETST
J3
P2
EXT TUNER
CHASSIS W14
AGRS
GND
M5V_d
GND
DSDR
NC
NC
MCK
DSFW
MDAT
DSFR
CTFL
RTDT
GND
GND
3R3V_d
3R3V_d
GND
NSQO
DPGI
MODS
FMNS
CALS
ACKS
DSRS
AMS
TXS
MSL1
DSKY
GND
J2002
GND
FMTL
GND
GND
GND
GND
DRAF
DTAF
GND
DMAF
D5VA
D5VA
D5VA
DRIF
GND
8V
8V
–5V
–5V
–8V
–8V
GND
AGC
GND
GND
GND
GND
GND
DTIF
GND
J2001
DSP-A
CHASSIS W14
C141 270p
C143 220p
C144 220p
C146 82p
C142
39p
C145
82p
L45
LR-394
L46
LR-218
C137
0.0047
RL16
TB1-160
C99 620p
C151 330p
C152 620p
C153 330p
GND
GND
GND
GND
14V
14V
J301
YOBI
SRES
R
G
B
HSYNC
VSYNC
GND
GND
GND
GND
NC
-8V
-8V
NC
+18V
NC
14V
14V
14V
NC
NC
CHASSIS W10
LFMD
LMFD
S2LO
(PLL)P901
S2LO
J2101
J901
J201
J202
J891
YOBI
DRES
R
G
B
HSYNC
YSYNC
GND
GND
GND
GND
NC
–8V
–8V
NC
NC
NC
14V
14V
14V
NC
NC
CHASSIS W10
LFMD
LMFD
14V
14V
J102
RANT
XVRT
PSEL
UNLC
CP13
CP14
L3S
EP1
PLL
W701
W702
RF
W1851
W1852
PLL
W351
W352
PLL
W651
W652
PLL
W81
W82
PLL
W851
W852
PLL
W801
W802
PLL
W901
W902
MEMORY
J1
J3503
J2
J3504
D8
D9
D10
D11
D12
D13
D14
D15
GND
GND
GND
GND
GND
GND
GND
D7
D6
D5
D4
D3
D2
D1
D0
GND
GND
HWR
RD
RD
CSs
CSf
A17
A18
A16
A15
A14
A13
A12
A11
A10s
A10f
GND
GND
GND
GND
GND
A8
A9
A7
A6
A5
A4
A3
A2
A1
A0
GND
RESET
BYTE
VCC
VCC
NC
CFL
–
–
15V
L18V
N/P
NC
NC
U/D
L/R
NC
GND
VCOM
BL
GL
RL
L5V
NC
GND
NC
NC
POLC
NC
VD
HD
L5V
NC
NC
CFL+
J802
J801
CFL
–
NC
NC
CFL+
–
15V
L18V
N/P
NC
NC
U/D
L/R
NC
GND
VCOM
BL
GL
RL
L5V
NC
GND
NC
NC
POLC
NC
VD
HD
L5V
NC
LCD
L6S
L4S
L2S
L1S
L1S
L3S
L4S
L2S
L6S
J531
J801
J803
J805
J802
BPF-A
GND
GND
BPF-A_IN
GND
GND
B3
B5
B2
GND
GND
B1
B4
GND
GND
GND
GND
GND
BPF-A_OUT
GND
GND
J809
J807
J804
PRE
AMP
GND
GND
PREAMP_IN
GND
POFF
R8V
14VL
PRE2
PRE1
GND
GND
PRE1
GND
PREAMP_OUT
GND
A
B
C
D
E
F
G
H
I
J
K
L
M
C42
0.0047
L13
100µH
RL1
TB1-160
C44
0.0047
L15
100µH
RL3
TB1-160
C50
0.0047
L21
10µH
RL9
TB1-160
18MHz
21MHz
3.5MHz
1.9MHz
C136
0.0047
RL15
TB1-160
10MHz
L41
10µH
MEASUREMENT CONDITIONS
VOLTMETER
:50k
Ω
/VDC
SUPPLY VOLTAGE :13.8V
DISPLAY
:14.1MHz/USB